Just a quick FYI for all podcasters who host on Libsyn

They have added a new section to there TOS that doesn't allow you to use a 3rd party ad service other there own.

VIII. MONETIZATION



Any attempt to directly monetize Your Content via third-party ad networks or other outside business agreements at the expense of Libsyn without written approval from Libsyn is prohibited. If you choose to monetize, Your Content, you agree to utilize Libsyn Service to enable monetization including but not limited to in-content advertising, iPhone applications or sale of Your Content which may include additional requirements for revenue sharing or fees for use depending on the Service.. To request permission to monetize Your Content via third-party ad networks or other outside business agreements at the expense of Libsyn, please email contact@libsyn.com